winged pea vs winged bean

winged pea and winged bean both are nouns.

Word	Noun	Adjective	Verb	Adverb
winged pea	Yes	No	No	No
winged bean	Yes	No	No	No

As nouns, winged pea and winged bean are synonyms defined as:

winged pea and winged bean: a tuberous twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics

Other synonyms of winged pea include goa bean, goa bean vine, Manila bean, Psophocarpus tetragonolobus.

winged pea (noun)	winged bean (noun)
sprawling European annual having a 4-winged edible pod	a tuberous twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics
a tuberous twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics